diff --git a/src/test/java/cc/fascinated/tests/PlayerControllerTests.java b/src/test/java/cc/fascinated/tests/PlayerControllerTests.java
index 2e1d977..d5e1b40 100644
--- a/src/test/java/cc/fascinated/tests/PlayerControllerTests.java
+++ b/src/test/java/cc/fascinated/tests/PlayerControllerTests.java
@@ -52,6 +52,14 @@ class PlayerControllerTests {
                 .andExpect(jsonPath("$.uuid").value(testPlayerUuid));
     }
 
+    @Test
+    public void ensurePlayerUsernameToUuidLookupFailure() throws Exception {
+        mockMvc.perform(get("/player/uuid/" + testPlayer)
+                .accept(MediaType.APPLICATION_JSON)
+                .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isNotFound());
+    }
+
     @Test
     public void ensurePlayerLookupFailure() throws Exception {
         mockMvc.perform(get("/player/" + testInvalidPlayer)